The SIM Application Toolkit consists of a set of commands programmed into the SIM which define how the SIM should interact directly with the outside world and initiates commands independently of the handset and the network.
An employer must keep general employee records, such as earnings tables, at least two years, according to the Fair Labor Standards Act guidelines. Payroll records, agreements, notices and similar documents must stay available for at least three years after termination.
Employers are also required to fill out and post an annual summary. In addition, records related to medical exams along with toxic substances and blood-borne pathogen exposure must be retained for thirty years after termination of employment.